摘要
This brief presents an on-off LC oscillator-based ultrawideband impulse radio (UWB-IR) transmitter for long-range application. A thorough theoretical analysis of the pulse generation is provided. Implemented in a 0.18-μm CMOS, the transmitter works in the UWB lower band of 3-5 GHz and consumes an ultralow average power of 236 μW at 1.8-V power supply. UWB pulses with a bandwidth of 2 GHz and 10-dB sidelobe suppression are generated. The transmitter can deliver a large differential output swing of 4.9 V under 100-Ω load with the highest power efficiency of 25.4% to date. It is targeted for wireless sensor network (WSNs) and wireless personal area network (WPAN) applications.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 200-204 |
| 页数 | 5 |
| 期刊 | IEEE Transactions on Circuits and Systems II: Express Briefs |
| 卷 | 56 |
| 期 | 3 |
| DOI | |
| 出版状态 | 已出版 - 2009 |
| 已对外发布 | 是 |
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